Gil-more



S. F. GILMORE.

ANCHORAGE FOR DENTAL BRIDGES AND PLATES. APPLICATION FILED AUG-H, 1919.

1,320,133. Patented Oct. 28,1919.

, 5 INVENTOR.

ATTORNEY-5.

I STEELE. Ebert-Moan, or INnIANAroLIs, INDIANA.

' M ANCHORAGE FOR DENTAL BRIDGES AND TPLA'IES.

i 1 Specification of Letters I E atent. Patented 0013. 28, 1919.

Application f led August 11, 1919. Serial 110.316,?11.

To all whom it may concern:

.Be it known that I, STEELE F. GILM RE, a citizen of the United States,and a resldent of Indianapolis, county of Marion, and State of Indiana,have invented a certain new and useful Anchorage for Dental Bridges andPlates; and I do hereby declare that the following is a full, clear, andexact description thereof, reference being had to the accompanyingdrawings, in which like numerals refer to like parts.

This invention is for an improvement over what is set forth in myformerLetters Patent No. 1,022,070, issued April 2, 1912.

The object of this invention is to make the anchorage for dental bridgesand plates more secure, so that the same will last much longer than isthe case in the constructlon set forth in my former patent.

The chief feature ofthe invention relates to the construction of theclamping plate and pcrticularly in vertically splitting the same so asto provide a number of clamping tlps, and thus enable one to utilize aportlon of the clamping plate at one time, and after 1t is worn out touse another portion and thus prolong the life andthe usefulness of thebridge or plate,'for as'soon as the clamp shown in my prior patentloses'its resiliency itma'kes it necessary to go to the expense ofobtaining a new plate or bridge.

The full nature of the invention w1ll be understood from theaccompanying drawings and the following description and claim. V

In the drawings Figure 1 represents half of the upper jaw showing someof the natural teeth out at one side, and showing a short round anchorbar secured to one of the remaining teeth. Fig. 2 is an occlusal view ofthe plate. Fig. 3 is the same as Fig. with the plate shown in Fig. 2inplace. Flg. A is a perspective view of the plate showing the insidethereof with the metal clamp secured in place. Fig. 5 is a perspectivevlew, 0n an enlarged scale, of the clamp and a portlon of the bar. Fig.6 is a plan View of the clamp before it is put in the plate. Fig. 7

' is a side elevation of the same.

Fig. 8 is an end elevationof the same. Fig. 9 is an end elevation ofwhat is shown in Fig. 5, the bar being in section. Fig. 10 is the sameas Fig. 9 with one of the clamping tlps broken away, and the otherclamping tip being in use.

There is shown herein a plate 10 showing two false teeth secured to itand being adapted to fit on the jaw 11, as shown in Fig. 1. An anchorbar 12 of metal is secured to the tooth 13 by capping the tooth withgold in the usual way. The bar 12 is preferably, but not necessarilyround and extends longitudinally of the gums and is employed forsecuring the plate 10 in place and so it can be removed.

The plate 10 has in the recess 14 in its inner side a clamping member 15made of metal to clamp on the bar 12 when the plate is put in place asseen in Fig. 3.

The clamp 15 has a body portion which is substantially trough-shaped, ofsuitable size to receive the bar 12. On one side it has a substantiallyvertical side wall 16, and from the ends of said wall wings 17 extend,which are embedded in the plate 10 for anchoring the clamp to the plate.

The side of the clamp 15 opposite the side wall 16 is vertically splitat 18 to form two form two tips 19. Said tips are made of resilientmetal which can be bent into the desired position and will yieldinglyremain in said position. After the clamp has been secured to the bridgeone of the tips 19 is bent inward somewhat as shown in Fig. 9sufficiently to permit the clamp to be pressed over and upon the bar 12and to spring partially around said bar after the clamp has been pressedin place and thus hold the bridge 10 in position, excepting when thebridge or plate is forcibly removed.

The remaining tip or tips 19 are preferably left 'unbent and in aposition substantially parallel to the side walls 16 to be bent intoclamping position when the first bent tip loses its resiliency after useor becomes broken, as shown in Fig. 10. Preferably in the arrangementillustrated the tip 19 nearest the tooth 13 is sprung into engagementwith the bar 12 when the bridge is first made and fitted into place.Afterward when said tip loses its resiliency, or the bridge or platebecomes loose or more worn, the tip more remote from the tooth 13 can beutilized for grasping the bar 12 for holding the bridge or plate inposition.

cations to either the upper or lower jaw and clamp secured to the platein said channel to any form of anchor bar 12 or bridge 10 and having theclamping portion thereof which may berequired, the form shown in splitto form a number of tips any one of the drawings being merely for thepurpose which is adapted to be bent in position to 5 of illustrating thenature of the invention. partially envelop and clamp the bar and yet 15The invention claimed 1- permit removal of the bridge plate there- Ananchorage for dental bridges includfrom at will. ing the combination ofa bar anchored to In witness whereofI have hereunto afiixed one or moreof the natural teeth, a plate haymy signature. 10 ing a channel toreceive the bar, and a spring STEELE F. GILMORE.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. C.

